Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.8.0.1
Summary of Significant Accounting Policies (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Mar. 31, 2017
Major Advertising Customer A | Accounts Receivable          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage     15.90%    
Major Advertising Customer B | Accounts Receivable          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage     10.00%    
Major Content Customer A | Accounts Receivable          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage     12.30%    
Customer A | Accounts Receivable          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage         11.20%
Customer A | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage 20.00%   18.60%    
Customer B | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage 14.20%   13.20%    
Customer C | Accounts Receivable          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage         10.70%
Customer C | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage 12.50% 21.30% 12.00% 27.30%  
Customer D | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage 10.60%   10.50%    
Customer E | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage   16.70%   12.10%  
Carrier Partner A | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage 30.80% 28.60% 31.80% 23.70%  
Carrier Partner B | Sales          
Concentration Risk [Line Items]          
Concentrations of credit risk, percentage 16.70%   15.40%